-40%

CHEVY BBC STROKER 496 454 509 ENGINE 566HP 1990 &UP 4bolt MAIN OVAL PORT 427 540

$ 2745.59

Availability: 17 in stock
  • Vintage Car Part: Yes
  • Manufacturer Part Number: GM
  • Returns Accepted: Returns Accepted
  • Condition: New
  • Warranty: Yes
  • Return shipping will be paid by: Buyer
  • Interchange Part Number: 496
  • Refund will be given as: Money Back
  • Restocking Fee: No
  • Item must be returned within: 30 Days

    Description

    THIS AUCTION IS FOR A COMPLETELY REBUILT 4 BOLT MAIN 496 CUBIC INCH,566HP WOW!!!!! (MARK V AND MARK VI, 454 4 BOLT BLOCK WITH A 1 PIECE REAR SEAL, 9.800 DECK). THESE BLOCKS COME IN VEHICLES FROM 1990 TO 2003, WILL FIT IN FROM 1965 TO 2003. CHEVROLET STROKER ENGINE.OUR BLOCKS ARE MACHINED ON OUR BRAND NEW RMC V40 FULLY AUTOMATIC CNC MACHINE FOR THE TIGHTEST AND BEST FINISH PRODUCT HERE ON E BAY OR ANYWHERE!!! THE WORK PREFORMED TO THIS ENGINE IS AS FOLLOWS:
    1. THIS BLOCK HAS BEEN OVEN CLEANED(HAS NO RUST OR SCALE), SHOT PEENED, MAGNAFLUXED AND PRESSURE TESTED.
    2. THE BLOCK IS FRESHLY BORED AND TORQUE PLATE MOLY HONED TO .060 ALL BLOCKS ARE ALSO SONIC CHECKED TO ENSURE CONCENTRIC CYLINDER WALL THICKNESS AFTER BORING AND HONING.
    3. THE BLOCK HAS BEEN LINE HONED, SQUARE DECKED, AND NEW CAM BEARINGS INSTALLED ALONG WITH NEW FREEZE PLUGS. ALL BOLT HOLES AND THREADS ARE FINE.
    4. THIS ENGINE HAS A BRAND NEW SET OF LIGHTWEIGHT, FULLY CNC MACHINED WISECO FORGED RACING PISTONS AND SPEED PRO PLASMA MOLY RINGS ( 5/64, 5/64, 3/16 OIL) THESE PISTONS YIELD A PUMP GAS FRIENDLY 10.0:1 COMPRESSION RATIO. PROBE IS AN INDUSTRY LEADER IN RACING FORGED PISTONS.
    5. NEW KING H BEARINGS FOR RODS AND MAINS, ROD AND CAMSHAFT BEARINGS WERE INSTALLED. THE CAMSHAFT IS A NEW ELGIN INDUSTRIES E1218P AND WITH A TRUE CLOYES DOUBLE ROLLER CHAIN SET. THIS CAMSHAFT IS A HYDRAULIC LIFTER GRIND .546 LIFT 236 DURATION @.050 ON BOTH THE INTAKE AND EXHAUST AND IT IS GROUND ON 110 DEGREE LOBE SEPERATION. THIS CAMSHAFT HAS A  MILD LOPE AT A IDLE AND IS DESIGNED TO MAKE MAXIMUM POWER IN THE
    1500-6000
    RPM RANGE. INSTALLED ALONG WITH THE CAMSHAFT IS A NEW SET OF ELGIN HYDRAULIC LIFTERS.
    6. RODS ARE BRAND NEW PRO-COMP ENTERPRISES FORGED STEEL H BEAM CAP SCREW WITH 7/16 BOLTS AND FULL FLOATING WRIST PINS. THE RODS ARE 6.385 (STOCK ROD LENGTH IS 6.135) THESE RODS ARE .250 LONGER THAN STOCK. THE INCREASE IN ROD LENGTH PRODUCES LESS SIDE LOAD ON THE PISTON WHICH RESULTS IN LESS FRICTION AND GREATER HORSEPOWER AND TORQUE THROUGHOUT THE RPM RANGE.
    7. THE CRANKSHAFT IS BRAND NEW AIRCRAFT QUALITY PRO-COMP CAST STEEL 4.250 1 PIECE REAL SEAL CRANKSHAFT.THE CRANKSHAFT IS SHOT PEENED FOR STRESS RELIEVING AND HAS A FULL .125 RADIUS ON THE MAINS AND ROD JOURNALS!, THIS CRANKSHAFT IS ALSO INTERNALLY BALANCED AND IS THE BEST OF THE BEST!!(4.250 STROKE, 1/4 INCH LONGER THEN STOCK 454), FRESHLY MICRO POLISHED AND STANDARD ON THE ROD AND MAIN JOURNALS. USE NON WEIGHTED BALANCER AND NON WEIGHTED FLWHEEL.
    8. THIS ENGINE IS FULLY BALANCED ON OUR NEW RMC COMPUTER BALANCER AND IT IS ALSO BLUEPRINTED. PISTONS, RODS AND CRANKSHAFT ARE BALANCED TO LESS THEN 1 GRAM. ( MOST MACHINE SHOPS ONLY BALANCE TO A 5 GRAM SPREAD) BEARING CLEARANCES WERE SET AT .002 ON BOTH THE MAINS AND RODS.
    9. THE CYLINDER HEADS ARE OUR NEW ALUMINUM OVAL PORT HEADS(STOCK HEADERS AND EXHAUST MANIFOLDS WORK FINE PORTS ARE IN STOCK LOCATIONS PLUS ALL STOCK BRACKETS LINE UP). HEADS HAVE BEEN ASSEMBLED WITH NEW STAINLESS STEEL SWIRL POLISHED MANLEY VALVES (2.25 X 1.88). THESE VALVES ARE 11/32 STEM AND .250 LONGER THEN STOCK, A NEW SET OF DOUBLE SPRINGS AND CROMOLY RETAINERS WITH HARDENED LOCKS AND A NEW SET OF PC SEALS. THESE HEADS ALSO HAVE NEW STAINLESS STEEL 1.7 RATIO FULL ROLLER ROCKER ARMS, NEW PUSHRODS, NEW ROCKER STUDS ,NEW GUIDEPLATES AND A NEW SET OF 12 POINT ARP HEAD BOLTS WITH TEFLON TAPE FOR BEST SEAL!!!.
    10.  THIS ENGINE  MAKES 566HP @5200RPM AND TORQUE IS 630LBS @4500 ALL DONE ON 91 OCTANE PUMP GAS WITH A 850CFM HOLLEY CARB!!!THIS ENGINES DOES NOT COME WITH OIL PUMP,OIL PAN, TIMING COVER  OR BALANCER.
    11. THIS ENGINE HAS BEEN COMPLETLY ASSEMBLED AND IT IS READY TO ADD ACCESSORIES AND RUN.
    12 PICTURES SHOW RECTANGLE INTAKE PORT HEADS BUT YOU WILL GET OVAL PORT HEADS. WE JUST STARTING BUILDING THIS COMBINATION FOR THE RV, MOTORHOME, 1 TON DUALLY,TOW TRUCK GUYS. WORKS GREAT ON A CARBURETOR AND IS ALSO COMPUTER EFI ELECTRIC FUEL INJECTION AND THROTTLE BODY INJECTION FRIENDLY!!
    12 FREE SHIPPING IF PAID WITH ANY KIND OF CHECK SO I HAVE NO PAY PAL CARD FEES!!
    13 THIS IS A GREAT ENGINE IF USING IN A TOW APPLICATION AND WITH VEHICLE WITH FUEL INJECTION!!
    THIS ENGINE IS READY TO FINISH DRESS UP AS YOU WANT AND RUN!!. WE ARE A FULL SERVICE MACHINE SHOP WITH OVER 55 YEARS IN BUSINESS. DON'T SETTLE FOR SOMEONE TRYING TO SELL YOU A 2 BOLT MAIN BLOCK, CHEEP HYPEREUTECTIC CAST PISTONS OR NO NAME INTERNAL COMPONENTS, INSIST ON ONLY THE FINIST QUALITY FOR YOUR STREET OR RACE CAR. BID WITH CONFIDENCE IT REALLY IS AS NICE AS I DESCRIBED IN THE AUCTION. BID EARLY AND HIGH IF YOU WANT IT.I WILL ANSWER ALL QUESTIONS. THANKS FOR LOOKING.
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    Please feel free to ask any and all questions directly thru ebay messaging system, I will answer all questions, I want you happy!!. I cant include personal contact information its against ebay policy, After purchase on ebay we can exchange contact information as needed.